Patents by Inventor John David Stinson

John David Stinson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Pouched oil dispenser
    Patent number: 3974942
    Abstract: An apparatus is disclosed for dispensing a liquid packaged in a thermoplastic film pouch into a receptacle therefor.
    Type: Grant
    Filed: October 11, 1974
    Date of Patent: August 17, 1976
    Assignee: Du Pont of Canada Limited
    Inventors: Peter Harrison Gray, Grant David Row, John David Stinson